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H. PEOHTELER.

BAS RELIEF ADVERTISING SIGN. No. 331,290. PatentedDec: 1, "1885.

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UNITED STATES PATENT OFFICE.

HENRY FEOHTELER, OF NEW YORK, N. Y.

BAS-RELIEF ADVERTISING-SIGN.

SPECIFICATION forming part of Letters Patent No. 331,290, dated December 1, 1885.

Application filed December 8, 1884. Serial No. 149,750. (No model.)

To all whom it may concern:

Be it known that I, HENRY FEOHTELER, a citizen of the United States of America, and a resident of the city, county, and State of New York, haveinvented anew and useful Improvement in Bas-Relief Advertising-Signs, of which the following is a specification.

.Figure 1 represents a cross-section of my improved bas-relief advertising-sign, in which figure A represents an ordinary frame, B B represent plastic layers, and 0 represents a porous fabric or netting, which is laid between the plastic layer for the purpose of strengthening the same.

Fig. 2 is a face View of a bas-relief advertising-sign, the raised letters and other ornamentation being produced in the casting.

The object of this invention is to produce an advertising-sign at once beautiful, durable, and cheap.

My invention consists in producing a basrelief advertising sign of plaster of paris, slaked lime, and burnt umber, and having a layer of porous fabric or netting, intended to hold the body together in case a break should occur, the plastic material I use in the production of the sign being similar to that described in Letters Patent N 0. 281,679, granted to me July 24, 1883.

In practice I proceed as follows: A proper male mold is provided, upon the face of which such letters or figures as may be des red are produced. The male mold is generally composed of plaster-of-paris, but may be of other material. When plasterof-paris is used to form the male mold, before using the face of the mold is shellaced, to prevent the absorption of the oil used to facilitate the lifting of the pattern or male mold, and to prevent the fine lines or sharp edges from being broken. After the female mold, which is composed of glue or other pliable material, is produced I pour into the female mold a plastic composed of plaster of-paris, burnt umber, and a small quantity of slaked lime, sufiicient to fill half the thickness of the mold. I then lay across this mass a fabric with large meshes or wire'cloth, and then pour in a further quantity of the plastic to fill the mold. The plastic passing through the meshes unite and form one mass that easily withstands severe treatment without breaking. When the mass is dry, I lift the same out of the mold and set the same into oil that will not cake, or a mixture of oil, turpentine, and liquid drier. The pores of the product are filled with oil, and a very smooth surface is produced, upon which oil-paint or other ornamentation or decoration will readily adhere, and in the course of time the sign becomes very hard and possessed of great te naeity. The raised parts of the product are then suitably painted or burnished, to bring out the inscription to the best advantage, and the whole placed in a suitable frame and backed, if preferred, as shown.

It is obvious that the frame and sign may be cast at the same time, or that signs with inscriptions on both sides may be just as readily produced; but I prefer one-sided signs. It is also obvious that any other woven material can be substituted for the fabricfor instance, wire-cloth, preferably galvanized.

Having described my invention,what I claim as new, and desire to secure by Letters Patent, 1s

1. In a basrelief advertising-sign, the combination of the two layers of plastic B B, composed of plaster of-paris, slaked lime, sufficient burnt umber to color, having between them thelayer of porous fabric, 0, and having upon the face raised letters or inscriptions or ornamentations and set in suitable frame, in the manner described, and for the purpose set forth.

2. A bas-relief advertisingsign composed of the two layers of plastic B B, having between them a porous fabric, 0, and having a suitable inscription upon its face and the raised parts suitably painted or burnished and set in a suitable frame, A, and backed, substantially as described and shown.

3. In a has-relief advertising-sign, the combination of the frame A with a composition sign, said composition consisting of the plastic layers B B, composed of plaster-of-paris,slaked lime, and burnt umber, having between them a wire-netting, and having the parts burnished or painted in a suitable manner, substantially as described.

In testimony that I claim the foregoing as my invention I have signed my name, in presence of two witnesses, this 25th day of N ovemher, 1884. I

HENRY FEOHTELER. WVitnesses:

L. C. EVANS,

LOUIS MALTHAUER. 

